1 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
2 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t
3 // RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir
4 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-main
5 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1
6 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-foo
7 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
8 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t bar 2>&1 | FileCheck %s --check-prefix=CHECK-bar
9 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
10 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t foo bar 2>&1 | FileCheck %s --check-prefix=CHECK-foo-bar
11 // RUN: %sancov print coverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
12 // RUN: %sancov print libcoverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1
13 // RUN: %sancov merge coverage.*sancov > merged-cov
14 // RUN: %sancov print merged-cov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
15 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4 2>&1 | FileCheck %s --check-prefix=CHECK-report
16 // RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t foo bar 4 5 2>&1 | FileCheck %s --check-prefix=CHECK-segv
17 // RUN: cd .. && rm -rf %t-dir
18 //
19 // https://code.google.com/p/address-sanitizer/issues/detail?id=263
20 // XFAIL: android
21 // UNSUPPORTED: ios
22
23 #include <assert.h>
24 #include <stdio.h>
25 #include <string.h>
26 #include <unistd.h>
27
28 #ifdef SHARED
bar()29 void bar() { printf("bar\n"); }
30 #else
31 __attribute__((noinline))
foo()32 void foo() { printf("foo\n"); }
33 extern void bar();
34
35 int G[4];
36
main(int argc,char ** argv)37 int main(int argc, char **argv) {
38 fprintf(stderr, "PID: %d\n", getpid());
39 for (int i = 1; i < argc; i++) {
40 if (!strcmp(argv[i], "foo"))
41 foo();
42 if (!strcmp(argv[i], "bar"))
43 bar();
44 }
45 if (argc == 5) {
46 static volatile char *zero = 0;
47 *zero = 0; // SEGV if argc == 5.
48 }
49 return G[argc]; // Buffer overflow if argc >= 4.
50 }
51 #endif
52
53 // CHECK-main: PID: [[PID:[0-9]+]]
54 // CHECK-main: [[PID]].sancov: 1 PCs written
55 // CHECK-main-NOT: .so.[[PID]]
56 //
57 // CHECK-foo: PID: [[PID:[0-9]+]]
58 // CHECK-foo: [[PID]].sancov: 2 PCs written
59 // CHECK-foo-NOT: .so.[[PID]]
60 //
61 // CHECK-bar: PID: [[PID:[0-9]+]]
62 // CHECK-bar-DAG: .so.[[PID]].sancov: 1 PCs written
63 // CHECK-bar-DAG: [[PID]].sancov: 1 PCs written
64 //
65 // CHECK-foo-bar: PID: [[PID:[0-9]+]]
66 // CHECK-foo-bar-DAG: so.[[PID]].sancov: 1 PCs written
67 // CHECK-foo-bar-DAG: [[PID]].sancov: 2 PCs written
68 //
69 // CHECK-report: AddressSanitizer: global-buffer-overflow
70 // CHECK-report: PCs written
71 //
72 // CHECK-segv: AddressSanitizer: SEGV
73 // CHECK-segv: PCs written
74 //
75 // CHECK-SANCOV1: 1 PCs total
76 // CHECK-SANCOV2: 2 PCs total
77